#EF2223

#EF2223

Color Values

HEX

#EF2223

RGB

239, 34, 35

HSL

359.7, 86.5%, 53.5%

HSV

359.7, 85.8%, 93.7%

CMYK

0.0%, 85.8%, 85.4%, 6.3%

OKLCH

0.6093 0.2339 27.7

Properties

Warm Light Nearest: firebrick 2

Color Harmonies

Complementary

#EF2223

#22EFEE

Analogous

#EF2289

#EF8722

#EF2223

Triadic

#EF2223

#23EF22

#2223EF

Split Complementary

#EF2223

#22EF87

#2289EF

Tetradic

#EF2223

#89EF22

#22EFEE

#8722EF

Color Blindness Simulation

Original

#EF2223

Protanopia

#969423

Deuteranopia

#A2B123

Tritanopia

#E52323

Achromatopsia

#4E4E4E

CSS Usage

background-color: #EF2223;
color: #EF2223;
border-color: #EF2223;
Nearest Tailwind: Red 600 #DC2626

Tailwind Shades

50
#FDF2F2
100
#FAE0E0
200
#FABCBD
300
#F78D8D
400
#F24F50
500
#EE1112
600
#BE0E0F
700
#980B0C
800
#770909
900
#560B0B
950
#360707

Contrast Checker

Text on white

4.27:1

AA Fail AAA Fail

Text on black

4.92:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026